Ôn tập HK2 Hóa 9
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Nguyễn Tùng
Used 6+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CTHH của rượu etylic là
C2H6
CH4
CH3COOH
C2H5OH
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit axetic còn có tên gọi khác là
Muối
Đường
Giấm
Biogas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong 100 ml rượu 29 độ, thể tích rượu nguyên chất là
29 ml
71 ml
100 ml
0 ml
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dầu mỏ không có tính chất vật lý nào sau đây?
Không tan trong nước
Chất lỏng, sánh
Nặng hơn nước
Màu nâu đen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của metan là
CH4.
C2H2.
C2H4.
C2H6.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong HCHC, Cacbon hóa trị
I
II
IV
III
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Cho các hợp chất sau: CH4, CO2, C6H12O6, Na2CO3; hợp chất nào thuộc loại hợp chất hữu cơ?
CH4, C6H12O6.
Cả 4 hợp chất trên.
C6H12O6.
CH4, CO2, C6H12O6.
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